Secunia Security Advisory – Ubuntu has issued an update for opie and libpam-opie. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/91121/sa40255.txt
Source: https://packetstormsecurity.com/files/91121/Secunia-Security-Advisory-40255.html